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Finding the Fourth Proportional to 80,266.48, 120,379.20 and 32,914.96

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Solution

The fourth proportional to 80,266.48, 120,379.20 and 32,914.96 is: 49,364.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,266.48 : 120,379.20 = 32,914.96 : x
  2. Step 2: Convert to fraction form
    80,266.48/120,379.20 = 32,914.96/x
  3. Step 3: Cross multiply
    80,266.48x = 120,379.20 × 32,914.96
  4. Step 4: Simplify right side
    80,266.48x = 3,962,276,552.83
  5. Step 5: Solve for x
    x = 3,962,276,552.83/80,266.48
  6. Step 6: Final answer
    x = 49,364.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.